Assignee

ASTEC DEV LTD

GB·2 granted patents·132 citations·filing 1990–1993

Technology mixE21B2 B22D1 B23P1 Y10S1

Top patents by PatentIndex Score

2 records

0185US5101692ADrill bit or corehead manufacturing processASTEC DEV LTD·Filed 1990·Granted Apr 7, 1992·66 cites·12 claims
0271US5649603ADownhole tools having circumferentially spaced rolling elementsASTEC DEV LTD·Filed 1993·Granted Jul 22, 1997·66 cites·15 claims

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